PLEASE ANSWER!!! I NEED HELP!!!

Answer:

C

Step-by-step explanation:

Because it uses the Pythagorean Theorem. (a squared plus b squared equals c squared)

Answer:

Radius = 1.997

Diameter = 3.993

Area = 12.549

Answer:

Step-by-step explanation:

Answer:

the area will change by 1/9

Step-by-step explanation:

from linear to area scale factor you have to square the value

Answer:

It would be 1:9 of the old rectangle area to the new rectangle area.

Step-by-step explanation:

because it's area, you would do [tex](1/3)^{2}[/tex]. Which is 1/9 because you do 1*1 and 3*3.

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Answer:

[tex](x-1)^2+(y+1)^2=0.25[/tex]

Step-by-step explanation:

From the given graph it is clear that the center of the circle is (1,-1) and the circle passing through the point (0.5,-1).

So, radius of the circle is  

[tex]r=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

[tex]r=\sqrt{(0.5-1)^2+(-1-(-1))^2}[/tex]

[tex]r=\sqrt{(-0.5)^2}[/tex]

[tex]r=\sqrt{(0.5)^2}[/tex]

[tex]r=0.5[/tex]

The radius of the circle is 0.5 units.

The standard form of a circle is  

[tex](x-h)^2+(y-k)^2=r^2[/tex]

where, (h,k) is center and r is radius.

The center of given circle is (1,-1) and radius is 0.5. So, the equation of circle is

[tex](x-(1))^2+(y-(-1))^2=(0.5)^2[/tex]

[tex](x-1)^2+(y+1)^2=0.25[/tex]

Therefore, the required equation is [tex](x-1)^2+(y+1)^2=0.25[/tex].

Answer:

[tex]volume = 10m^3[/tex]

Step-by-step explanation:

This shape is called a rectangular prism. The formula for finding the volume of this prism is: [tex]volume = L * W * H[/tex]

All you do is plug the values into the formula.

The length is 2m

The width is 1m

the height is 5m

Volume = (2m)(1m)(5m)

Volume = [tex]10m^3[/tex]

Answer:

Quadratic

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

vbgdfbgdf bbn bgdfjszvhy

Answer:

Yes, because you'd be going about 83 miles per hour.

Step-by-step explanation:

500 divided by 56

= 83.333

Answer:

35 m³/s

Step-by-step explanation:

70/2 = 35 m³/sec

Answer:

its an open circle on -2 and the line is to the right

Step-by-step explanation:

-2x=4

x=4/-2=-2

and the sign is the same and its an open dot because its not greater too or equal to

Answer:

the answer is 8

I cant graph it for you sorry

Step-by-step explanation:

-2x>4

*2   *2

 x = 8

Answer:

Runner 1,2 and 3 ran at a average speed of 4.67 , 4 and 2.5 miles per hour respectively

Step-by-step explanation:

We can all agree that speed equals distance divided by time and we are asked to find out the average speed of this 3 people.

---Average speed of runner 1

Speed = distance / time

Since he ran 14 miles within 3 hours

S = 14/3

The average speed was 4.67 miles pet hour

---For runner 2,

Speed = distance / time

Since he ran 16 miles in 4 hours,

Average speed = 16/4

= 4 miles per hour

---For runner 3,

Speed = distance / time

Since he ran 15 miles under 6 hours,

Average speed = 15/6

= 2.5 miles per hour

Answer:

153.86 square feet

Step-by-step explanation:

The formula for the area of a circle is A=πr2

area = pi x radius squared

the radius is 7 feet, square that to get 49

multiply 49 by pi to get the area: 153.86 square feet

Answer:

153,86 stóp kwadratowych

Step-by-step explanation:

The apple, weighing 150g, contains 2.0% sugar by mass. Calculating this percentage, we find out that the apple contains 3.0g of sugar.

To find out how much sugar is contained in a 150g apple, where 2.0% of its mass is sugar, we use simple percentage calculations. We know that 1% of 150g is 1.5g (150/100), so 2.0% of 150g would be 2 times 1.5g, which comes to 3.0g. Thus, the apple contains 3.0g of sugar.

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Answer: a: true

Step-by-step explanation:

Yes, a circle can be circumscribed in quadrilateral.

A cyclic quadrilateral is a quadrilateral which has all its four vertices lying on a circle.

we know, If opposite angles of a quadrilateral add to 180 then it is called a cyclic quadrilateral and a circle can be inscribed in it.

In this case the opposite angles add upto 180  which shows that is it is a cyclic quadrilateral.

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Answer:

10

Step-by-step explanation:

one of them is 2

one of them is 4

one of them is 4

add them and it equals

Answer:

10

Step-by-step explanation:

formula for triangle 1: 2x2 divided by 2 (the area is 2)

formula for square: 2x2 (area is 4)

formula for triangle 2: 2x4 divided by 2(area is 4)

then you add everything

2+4+4= 10

Answer:

2 (x + 5) + 2 (3 x - 2) = 60 or answer C

Step-by-step explanation:

Answer:

BC = 12 m

Step-by-step explanation:

Since DE is a midsegment then it is one half the measure ot the third side BC, thus

BC = 2 × 6 = 12 m

Answer:

12

Any Twice stans btw??

Answer:

First you find the slope:

(10-4)/2 = 6/2 = 3

Then you write a point-slope equation:

y-4=3x

in slope-intercept form:

y=3x+4

Answer:

The equation of the line is y = 3x + 4.

Step-by-step explanation:

First find the slope of the line:

Slope (m) = rise / run

= difference in y coordinates / difference in corresponding x coordinates

= (10-4) / (2 - 0)

= 6/2

= 3..

The line  is written as

y = m x + b

We have just found m (= 3). Now we find the value of b by substituting the point (0, 4) into this equation.

4 = 3(0) + b

b = 4.

So the required equation is y = 3x + 4.

Answer:

x=3 y=2

Step-by-step explanation:

y=2

2x+y=8

Substitute y=2 into the second equation

2x+2=8

Subtract 2 from each side

2x+2-2=8-2

2x=6

Divide each side by 2

2x/2 =6/2

x=3

x=3 y=2

Answer:

448

Step-by-step explanation:

aₙ = a₁ + (n-1)d

a₈ = a₁ + (8-1)d = a₁ + 7d

a₁₂ = a₁ + 11d

a₈ + a₁₂ = 246 = 2a₁ + 18d            a₁ + 9d = 123

a₁₀ + a₁₄ = a₁ + 9d + a₁ + 13d = 298     a₁ + 11d = 149

2d = 26

d = 13

a₁ = 6

a₃₅ = 6 + (35-1) x 13 = 448

Answer:

28.27 and 12.60

Step-by-step explanation:

Answer:

28.27 and 12.60

Step-by-step explanation:

Answer:

148

Step-by-step explanation:

19 round tables

13 rectangular tables

19 x 3 = 57

13 x 7 = 91

57 + 91 = 148

Answer:

[tex]148 \: \: chairs[/tex]

Step-by-step explanation:

[tex]19 \times 3 = \: \: \: \: \: \: 57 \\ 13 \times 7 = + 91 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 148[/tex]

Answer:

180

Step-by-step explanation:

The average rate of change, in simplest form, of the function over the interval 1 < x < 5 is 18.

The average rate of change is the change in the slope of the function, it is given by the formula,

[tex]\text{Average rate of change} = \dfrac{y_2-y_1}{x_2-x_1}[/tex]

Given to us

y₂ = f(x₂) = 27

x₂ = 3

y₁ = f(x₁) = 9

x₁ = 2

Substitute the values in the formula,

[tex]\text{Average rate of change} = \dfrac{27-9}{3-2} = 18[/tex]

Hence, the average rate of change, in simplest form, of the function over the interval 1 < x < 5 is 18.

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Answer:

n= 6

Step-by-step explanation:

subtract 3 from both sides of the equation

it should wind up like this:

9-3=n+3-3

plus 3 and minus 3 cancel out, 9 minus 3 equals 6 so then the equation changes to this:

n= 6

Answer:

457.95

Step-by-step explanation:

430 + 6.5% (27.95) = 457.95

Hope this helps you!

Answer:

$424

Step-by-step explanation:

Multiply 400 by .06 and get 24

add 24 to 400 and you get 424

Answer:

18.1 cm

Step-by-step explanation:

Consider a segment parallel to CD and passing through B.

This segment will form a right-angle triangle with A

It's length would be equal to the length of CD (the missing length)

Height of that triangle:

11 - 4 = 7

CD² = 16² - 7²

CD² = 207

CD = sqrt(207)

AC² = AD² + CD²

AC² = 11² + 207

AC² = 328

AC = 2sqrt(82)

Which is roughly 18.1 cm

Answer:

No

Step-by-step explain:

It does not have to be 8 o'clock for the time to have an 8.